Open access Jurnal SINTA 1
Efficient high-gain low-noise amplifier topologies using GaAs FET at 3.5 GHz for 5G systems
International Journal of Electrical and Computer Engineering (IJECE) · Vol. 15 No. 4 (2025)
- ISSN
- 2722-2578, 2088-8708
- Published
- 2025-08-01
- Publisher
- Institute of Advanced Engineering and Science
Abstract
Achieving a gain greater than 18 dB with a noise figure (NF) below 2 dB at 3.5 GHz remains a formidable challenge for low-noise amplifiers (LNAs) in sub-6 GHz 5G systems. This study explores and evaluates various LNA topologies, including single-stage designs with inductive source degeneration and cascade configurations, to optimize performance. The single-stage topology with inductive source degeneration achieves a gain of 18.141 dB and an NF of 1.448 dB, while the cascade-stage common-source low-noise amplifier with inductive degeneration achieves a gain of 32.714 dB and a noise figure of 1.563 dB. These results underscore the importance of GaAs FET technology in meeting the demanding requirements of 5G systems, specifically in the 3.5 GHz frequency band. The advancements demonstrated in gain, noise figure, and linearity affirm the viability of optimized LNA topologies for high-performance 5G applications, supporting improved signal quality and reliability essential for modern telecommunication infrastructure.
Collaboration network of the authors
21 authors · 61 co-authorship links · 11 across different organisations
Hover or tap a name to highlight its co-authors. Double-click to open the author's page.
- Université Ibn-Tofail
- Sidi Mohamed Ben Abdellah University
- Affiliation unknown
- Different organisations
- Same organisation
- Affiliation unknown
- Thicker line = more joint articles · bigger circle = more articles
Show as table
| Co-author | Organisation | Joint articles |
|---|---|---|
| Abdessamad Benlafkih | Université Ibn-Tofail | 3 |
| Mustapha Zahri | Université Ibn-Tofail | 1 |
| Youssef Menchafou | Sidi Mohamed Ben Abdellah University | 1 |
| Hassane El Markhi | Sidi Mohamed Ben Abdellah University | 1 |
| Echarradi Othmane | Université Ibn-Tofail | 1 |
| Mounir FAHOUME | Université Ibn-Tofail | 1 |
| Anas El Maliki | Université Ibn-Tofail | 1 |
| Kamal Anoune | Affiliation unknown | 1 |
| Yassine El Moujahid | Université Ibn-Tofail | 1 |
| Nadia El Harfaoui | Université Ibn-Tofail | 1 |
| Ahmed Amine Barakate | Université Ibn-Tofail | 1 |
| Sami Choubane | Université Ibn-Tofail | 1 |
Affiliations come from OpenAlex; journal OAI-PMH metadata carries none. Authors without an OpenAlex ID are matched by name, which can merge or split people.